{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203068",
    "entityType": "User",
    "nonce": "0xc42af47a40e0c2b39ee82789e8d1c50f2372442d63d3b49e9471d7aea81cd49d",
    "signature": "0x39b58fba1518910acc410cc5a23d43bb79da6e79960b2ca120cd1e1d5cd4cacf53a29316bf2828652c66f9cf355bea0b8300722dcfd3ee834940420e6fff6cb61c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}