{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8da5dea67edcc26a7ae9945d98a4ff2aff7a44f8ea7c62f6bf5afde121388e04",
    "signature": "0x902f7efbcb2a7ebca09be35eda578e0ec2fab42c1852cfff205b760d2c500260445c919a6351378f92278d1fd4189237227970876139eba7c422620aec226c961c",
    "signer": "0x0118dFc4bd72D01EE87b349A142A99141905b73f",
    "userId": "844959823"
  }
}