{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x9bbc4e8415e22a8618b5cc8db6a0c5f2873bdc36ac962618ec108ca0ce6a07e7",
    "signature": "0x6cb13435c3b066eec259ad29604f1df0bf04fb7b55ee476c7515ed20b6f8b49f50adb1758650f8931d90276a3f5636d8cca3be1263938a278c8ec6a0c8da4e681c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}