{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x56a763580dab4b7e943a81c95bd6d88ab7b4a0b0114beaa0694046ea2010db48",
    "signature": "0x34c997420e84354738703ece85c849885ef4cd8b2c4c2b0464410b6e0c94a2a2576117daafc1da79a75a7793e864e3285ff7e0aa92d435939de14322dce3abe41b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}