{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "602",
    "entityType": "User",
    "nonce": "0xaee52c65d6e1251ef800a1d3d0f9c1d20d55e5c22406972b7b05c810140fc294",
    "signature": "0x09b69f1cb379766521b72670d8f94abd50ddddd4ac045b6ff11738afd4d31bab37537bb87ce8a1158b2eac291569524682184eb58c91ee9811f10ac32032fd031b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}