{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x1d35dc26537eb7f57205a4f8416f5bb2ba512607cc9bb4b668dc69c6d2ce0a5d",
    "signature": "0x13f6fec42566dacb75cb91a347b49d389753e320d4eea6f1e146b30cc530a04e583de4f96602bd4467affac99aea85090eecdd9caeb44d76878c7d2aff54fb9c1b",
    "signer": "0x8A6d37Be1a08F1aaFB0BCc6ef8bea16935e6B39F",
    "userId": "687066725"
  }
}