{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984045925",
    "entityType": "User",
    "nonce": "0x8e893dce18c11079fceb1cb8c7a5122142878232f621fc5cfd3632dbdfdba4f9",
    "signature": "0x6a9dac04f9e32b605e756ae408ef276487eeb34f2102273d801d3235abfe20c027764862a31fb395bd07016b0f878a4c211092ef3ff16756f3ccb573fb17ca551c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}