{
  "manageEntity": {
    "action": "Repost",
    "entityId": "587873796",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbd69c5eaa2a2401ffbdc0b49c02ebafb7a5e6214c24ed0eab489768bc5a57197",
    "signature": "0x9de8ad139cd5ad06848d820380e051781af8724af13ea3d4be152e099bedee3f717f8a104fa0abe74a9fc3b23bd5f02282c201fa1edfafc207917dc16723fb7b1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}