{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1ffd448f2563f027b0ac192a017c596190b4d148cee896840215b8702c4590c7",
    "signature": "0x1c5536f185c7449dc96e76f9dfa210ee6f08829e5ae2b217118ea9960a87f7c5110add7c140c29bc6d0d32aa3e66eebcb1d5a64d4446eb3156780a9abe5268fd1c",
    "signer": "0x2361Adb264793F6Ed58b761996BF96F4B0C26a1f",
    "userId": "488512993"
  }
}