{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994321302",
    "entityType": "User",
    "nonce": "0x8695d2876bd7a0d6464363906e1cae15869bff998fbfc1a586e58970f13005be",
    "signature": "0xcebcabdd60ef15134c0e77501deed6b460a7dae4bb7462377c889706fc6493701cd5212104ad9c5ffd3f2db38176720c7e27741f1bd543bd089df477e13ed7861b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "600772925"
  }
}