{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "862544054",
    "entityType": "User",
    "nonce": "0x42a8faa7dd13aa45b0c31da484c129d21348674976aef7b444dd0c9f7fc6af19",
    "signature": "0x2b3ba9d898ada38d01ca1cc17747018c33462e4d8e4c2c1ebf30a500e7d0d730138361db476409ccf5d386ff8ad4c9793082ca85079f15d7c80fb576f88223911c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}