{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdec06e4518587fb0a913dbd40833566897a5570d42955432a11185f9cac37c26",
    "signature": "0x4f542885d60ad35214dd6c1eb71b9fb7da25e8d379fd6c603c3500c37a8b137876cf99215ec2a4bfd0727b1fea371e434c7c8abd5d934fe2a9280899410b72631c",
    "signer": "0x9bBf376f191C68C84814Bc162E265A44c7f06170",
    "userId": "45988918"
  }
}