{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16326",
    "entityType": "User",
    "nonce": "0x1471c21db9c939c0d56aedd36dea72cb9a44d4ba117e6228d0aee2b5f8f33d35",
    "signature": "0x8022f161a3fa0e9a0554cd40056802edb537b38acad9b878a25836fa676d1d2a5a08226d63b4b9944d6f474ffea8755e47702e2772958f7403a7f754648858d81c",
    "signer": "0x07691D0C34E03020A13BE4B5a411B64CcFff5556",
    "userId": "9014"
  }
}