{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "419164913",
    "entityType": "User",
    "nonce": "0x207cfa3a85f15eb4be7473a7201d067e600f84077b8bbb800729b8f5f4ce485a",
    "signature": "0x49599667dafa8a10584df1b793efdd6376b195fbcf5aa42b7b02ae86d2ced0d50a170f1218e9742079fedfe483ec12756bfe6a92b1273c7ee38267940a591a281b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}