{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0xde6eb2c01591596f8195c8b3ede3364093f216f2a2223449ac4cc905e666568e",
    "signature": "0xb1d660f98f2632a6745bdce0ee007df5f0396b6bcafd5d8fb5a0c6ee746143e3370ab34eb06b684c357d1d972e55ad9eb3ffc0cc83e95b8f9b4e6167a98aa1351b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}