{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277869",
    "entityType": "User",
    "nonce": "0xb174d69df0013d4070dfe5b1a5a540a204ffa09a89c372b03d52dab6a929f43c",
    "signature": "0x97764d63eb1db35dbd29dba420ba0d4fe35437adf225f8be4778e8a90b1546f87baa8aef43528c17637b6ed9f935e20197799d02708d8f40f077282ef44425b11c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}