{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa8183718027619b83d4a96dc762425318efd3fda3cd2a78cca864024e069da5d",
    "signature": "0x93e2d8911da79f776c43361d1cbada4bffeb2897a5b482f46e0923f8837dad26732d64dfa79d81383105ef29d1cd435090a3f6063bedaee8310a5f93f795d4b11c",
    "signer": "0xA6Af26b35D52f2D60A1bd3F464eFbfE8DB2656CD",
    "userId": "555213902"
  }
}