{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79876745",
    "entityType": "User",
    "nonce": "0x07d14d82f6756a9827a4b2e63a3218dfcb246ba916a1b73b257646bf59359e70",
    "signature": "0x54964b275f93d06f585b81aeeb59939aa3b2ecec9acb1b1bb5cdb726f98f2bbe7e1ec1a85ccd0092d154f8f9310364b01949049a6ea81a05e4a63979b9602bf81b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}