{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126728",
    "entityType": "User",
    "nonce": "0x88e38f46371e8b2d81f928f9de252280ba688f79df1223777ff3e8b4156e1c5c",
    "signature": "0xa88ec7c9fa173c18b3cf0a803bae9aa8429075e88eb3bd7874cc4baea7591c9579a8a0835cb7c182c32cc7a80112fc390e234b5be88fff517ec53b22f64e5d811b",
    "signer": "0xdC3259a4db5A8697644164ebA1621FC6A4C37488",
    "userId": "792349587"
  }
}