{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x9df9b8a9faa0a85e90d769909d681c92240d0a132e2a97626ae8d2c21ad8f81a",
    "signature": "0x2466075f94a7d8511f4104e3cab2292286ddda39323ce13a0adae4fcbf7c750e7d6d641b2eed334a1e503756a6123cda5f8285f5ad97363b98cae0cb5d7fe64f1c",
    "signer": "0x4b6B842af75cfAF1fb1Bd7B073C47b1001242a5C",
    "userId": "539898390"
  }
}