{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105821",
    "entityType": "User",
    "nonce": "0xb245c567dcbd6d0d97f8a71fbd91224c74c19985d4da40355d766b1fb3c3614e",
    "signature": "0xdf2ae015e5428fed867daec83cc10cda291d06bc22c3a66f41114dc8cdab68501759554c8299cd085e3ae8a193c58f4ea41b016c2a7b353f835d31cc79c437881b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}