{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x296023ee690f3f4034ce5c35bc49d2658d39c28c821b89c36b9c3c33c6f5e566",
    "signature": "0x5a6b0f4adb6b2bee8742aec0caa495d467c227bb331218b4d825096235b22f1206a42d4f9a47a4476f1be59ec6b08005e975966d08ee2efaa02d69f0cc8453601c",
    "signer": "0xFFa47Ef31b52CcEEA1CE9d5e20cbc9f8D59b6915",
    "userId": "655264080"
  }
}