{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xbd137ddccb5dfa9b93be44524e225f4ed95d4e7b696303a278b3949a9d3c965b",
    "signature": "0x57b03ad5ea06599ed835cbcb998c26c7ef6f666319999fe5aa7ef8209b1eb3cf14819efe1519c350aea5a2a41a72da50e6a7e4898a681227031bd2de72a115e11c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}