{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61368",
    "entityType": "User",
    "nonce": "0x2737ea7a195eb4bdaa609f64901ce36be562dae86a09a7783bb2483f9fbccb7b",
    "signature": "0x328ecc229402c2dc878c1d2ef460daed362cf73a8f78177d4c3c948f4954577a1e7b13e8b1d70b0a43970eb2d68448c2c6b2f5685147614d8ac06146038afe7e1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}