{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0xa77cdf12d0d30cc872be7ed500b9fb4594360843eac1a319d76b1efe90bc2b36",
    "signature": "0x0406b0a76071bc77de40b44de9bda1a445ddebdb740f92609b0edd534a589d5b082f85fec548483e065a25aac35e938ab591af44bb92973d9c36bbf0f24195861c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}