{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35123",
    "entityType": "User",
    "nonce": "0x9eda81758cc96bc1d56f6f2898399e010bf389cb12e61ed676fd95d68fb9f763",
    "signature": "0x7587c08a77ac42bf4b0c80b0fbcc28d76bc32da3ecdcf6fba1b6a087f79c09ab233960c61dd135c74f130af665a468c354ac513ce60d0dcd5240389cda3fdb711b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}