{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45081176",
    "entityType": "User",
    "nonce": "0xad9396b95c3729d3662607ecc33e40056096b5bdbc5dbf366e6d43f27819565f",
    "signature": "0xf640002f9a51b466bd2488102dd39031ede71b369c0b4acc7d1069eddce3652e1fbf3a2c4741d84dd8eb0563fc9b741f5e491f49c72ef7e3b2cd8c79718a71061b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}