{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xeb5429bed083f26f90969ce94b6e4b423ebbf200c82a1beaa42ef8b9c7ff91f2",
    "signature": "0x31e256bc7b0de74d177ea4aa27e2a6b7bf7bb74a69ac49e640ac9d994ec0bffa1e4010ab777227e138ce502e194414cf24a08c00002c7b430f56ab30a219f53b1c",
    "signer": "0xD8518cC9A95ee58dA8ac66F2A6719aE12CEa0aCe",
    "userId": "595924827"
  }
}