{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317",
    "entityType": "User",
    "nonce": "0x2dd6c8d74c8325ac27fc9cd3e6fff6b05c40be38f78479b979d5097a90fa0a16",
    "signature": "0x3e5c7b6e247ef8030a9c6755561cb1cb9097dc8e3199874b18aa473fb03b7c5024562aa14033a51b604072a3e63949011c7df193170ea9fbc1d35a9961923e721b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}