{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111131",
    "entityType": "User",
    "nonce": "0x170f78aeab1f20f68e518e5666c25eec6a4eafb4fb7cfeaaa48911ad6dc13bb8",
    "signature": "0x9fc4304ec9136d470a98cea7a54fa04a8ed604b096c09084218dc909ac154ea11a149b9ad5279ce92361dd941f560a381a22ebd39e76d7f1d81eb0ace798a6ae1c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}