{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x2a8d50993c650fdc757a837a8e7e1fddf26017e6d143daaefabb080fca0f127c",
    "signature": "0x9fac41b75a82da09209916b36939a801e7540d0a767d527a74409db2eeeb1c605690b387263f2f261d2f34cd62c5df0ebedb44f01169e15f269325ea88ac1c5b1b",
    "signer": "0xfeBBAF2B7d9F5bE3DAA34bEe70259f61ac4aB836",
    "userId": "139146722"
  }
}