{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0xbc9cbe1103b3c3ac2102967a9dc3c4ddf211a2d95fabb585ef4af94a10fcb8c0",
    "signature": "0xe01ca554dcc46143bafddade0f5f9615a59e6c7a08a1160fb190491e4490211228b80774aa22a89d6256c29e34f495cfd13d5b0685061e23f7eaa2ee5d1ac2ef1b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}