{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "861108288",
    "entityType": "User",
    "nonce": "0x806b2397cbb52a9c8fc282f58a779cc16d41fe2dda60144257679a477b74dd36",
    "signature": "0x47e67d161ffa103ab0969bc12f0fdb93827e86afe67598ded49a144504c938fb4515daa582d3523a90e6a179d15681495ccd5a5fa87f9c5b10311fe615ef22df1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}