{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x2418ad2c2d05300492ab42731426a28350538a00abb16ad7f22a8b16da3d61ec",
    "signature": "0xe94460216c7225c1736d17abb55b7e59eee9e2a778c230ffe0fabab1df98c5294f822bd8c76a036879da62c1dc71c2696fc940d1268da71b48d034f09bff3ad01b",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}