{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65468",
    "entityType": "User",
    "nonce": "0xaa5584861019ee13a57cc188549c27fa9a346cb9d9d96fa8a1ba940a6c447cfa",
    "signature": "0x382a74b5fd3089a3a5d4635a0a2115b59a17cd43ea4da03cc7077c9e12b8308357be41e3c8e0524ea29adaf440658612ee18afbd8866d71d674149e538dc3f411b",
    "signer": "0x189510F53B1B5d5A4084bC7cf60Ef24cf295A102",
    "userId": "986862904"
  }
}