{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcbf7ae2e54d08b8c2223a848c5b99b9d4907a9c11c6870ce7be61ab711c5ca24",
    "signature": "0x3aa5740588b2719a788ed29d98b04f61d9ee46be089f5a1c5ef6cc5b5dd68045580a9a8df4ae6a65fa086aad396fce0d985136d5897a66b8070558dfd5bf917f1b",
    "signer": "0x859A8b70d44BE1BaC295AF7A6C3D3218076d204d",
    "userId": "601417806"
  }
}