{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x367a6c172ee0c0986a44ed94b765ebe64139d539c0fd65822372f751e8c2172a",
    "signature": "0x24eb9fdafd69c870925580d3818034bbc065cb84fdb4af2aa6bf20c20cfb451865fed53e67101c3e1b3523b1dda8428a460b1ac839828c2155942d5940a37af21b",
    "signer": "0xA3a92a8dfFa5eF8f14676b981FfB44F6895f2fbf",
    "userId": "842489267"
  }
}