{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760481887",
    "entityType": "User",
    "nonce": "0x80cd1dc286704d6f91954dd3f56b0c4c9b51cd82138c686bb5464cf9f5421c98",
    "signature": "0x55b1b1e775c6f8de55d57e2620e0a424d03fd5bc5bddd5505b73f3f3889443271303b6e088bb4e3ab01efdfb7bf9fce040cfaf82de5b3ed01d7ec8426a7af9681c",
    "signer": "0xd5de0bF162474f5f845bCC332E5Cf6f9eBC0d300",
    "userId": "174481"
  }
}