{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "766",
    "entityType": "User",
    "nonce": "0x29ef90085ebbb46a4b17164eeb36059800092a0135c1004d24fb6a68443ea77f",
    "signature": "0x65611ae1910725f41af90ded7d558fb16052007e0aa0de15dce4fa494ecb8daf2f183a07e2dc0b60de7ee1426263356a56b8511eeb9f17d7953ba0eda493d34a1c",
    "signer": "0x12705C8Fe8CE886CeFEFa0d4d46E906f2c35C954",
    "userId": "477934274"
  }
}