{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "339645",
    "entityType": "User",
    "nonce": "0x701818c1acc3b3829fe535b93885b9aeeb5fc7223e8966a06f67eb100105af27",
    "signature": "0xb2f291551390985682eb5ca8a734f457bbd4dffc35b0aed8c5ccea4e78b5e66430e3f7b27fcbff665b258b4ebbf37ca51feb3034cb6f451e1fa3738164d7d5001c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}