{
  "manageEntity": {
    "action": "Update",
    "entityId": "739209316",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera42a3q7qnfuwsltt6r5gvqr6luu23igduizn7szxvusdyeu6yy7ga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[]}}}",
    "nonce": "0xba1152cc0cd7aef90ef3d3bbaddbfeb682f78fc5be47820960fd73eef27e8df2",
    "signature": "0x823cf15076d78ac1e7aa88775b7da5cdade6de8234a6c5a9fa7023664f4614547390b47d68f842c3932c32d2ee82a9f98ccfbc5a3ed67b721d0979ffc1be59801c",
    "signer": "0xA4f8F04aea91a96555C278a3F006Ba7b6be12A69",
    "userId": "739209316"
  }
}