{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0xad32f6c9a909f9620e93bc3b31519c53cae94517c40b25efb4877c2dfc92d7b8",
    "signature": "0x0d1b97b3ddc74d3eb20799df870865eed3aa10c54a09348cc13ac39a5438e4e66d228d368037070b773828e7e6390dfdc107240cc99fc6d50929ed0bc81d91c71c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}