{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe44ff183febe4fc1f6b2fd0070472a89c1d1459f52b3a3fb567b44d6e333cde3",
    "signature": "0x8a8b3ab5983e681198a51719b8427fe206055380d02885b50847fae7d4d022ea67543c74439b767796e794e6cb7be5e2ead25479309ef97d2fef82694f01865d1c",
    "signer": "0x8e0837a7aB80FDE4193d7eB5eA1c2f81E37b7bF4",
    "userId": "799591512"
  }
}