{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1cecba12ac0b538d44fe5aa0eefa465b6461346224bdcaf4b32efcab0f10ac20",
    "signature": "0xfb9f527fc2433a12a08e38c770df439b9b15d88408e6b3ae108824a0c0823ff417ae259e812703c9d7c8c623c6f15f922f463974b7a4ffcd4c0b6a663a8fbc2f1b",
    "signer": "0x50D96D1AAfE66797E492968B8B6C0Fc1a545331a",
    "userId": "262624161"
  }
}