{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "661101608",
    "entityType": "User",
    "nonce": "0x036f4c197867a6496b6ee09ec2689d92eec8af42e1b27bd9d0c26e282dea95ac",
    "signature": "0x031dfdc25babbaafb24055993aa09d9363909a5908e0b5a8d3399144963fb6a52e3e857c2e20c93114c921e3580e24e70160bf3976dc9e91d10a6b45f7c4f1a31b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}