{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "655494",
    "entityType": "User",
    "nonce": "0xb8183bde2e8643d917e7591470229b3b6fb33f9431a39895dccc47a7bfcbcfee",
    "signature": "0xbc20151d65167ca3a37e59db514a8d657db24efe7b1c8c0e8c961dff18782c5128fa8a0e6eca3b4d18559bc7c3f4e61881ea1ae4cca2509f7c823969559814411b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}