{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208551",
    "entityType": "User",
    "nonce": "0xcdfadb28622014f1629077eef7c7e588b8f348718e5aaeff5ab20f70bef3b8db",
    "signature": "0x4a36286ce4805d0cc0223e517d2a9a00e342fab0b9146266556b33c8baff71007a50ca351e05641f9b23d317afd114537c39b5a5935ff6ad8c95bac0147a8fe71c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}