{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0x253b55d32521ed2e90e2cf8d84953629745f0c12a6291f31f9d33d4fcae988c3",
    "signature": "0xaa96e8774cee0e160c25e4745248e432c8f1922b3144527e9298ef60274c00f829fc8748e2864f596e8c6587c6836f7f6f6dbf421a404a495d04f7ae6b3b6a401c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}