{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcd2aa11c930ffbadf035747df329359ed2773d3304434019dd06d2135b869865",
    "signature": "0x2d9f02a21ec6163592fe336e264355efc379e40e535d7723c46fa1df046d4e21756b619fe54c9abcf9065a36cc3a92c4af53c28850c19f58532ad278526bf6421c",
    "signer": "0x65A3Dd8375196257Dc283c69f1dfcE098d8B8078",
    "userId": "733414394"
  }
}