{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916107216",
    "entityType": "User",
    "nonce": "0xd5ddc7cefaa0fd511d5213525cb45843ab867c67da17640bcf5799a6cea68e75",
    "signature": "0xc217b6c544dac8287ad55488c68289e5ef27f5755a1e0ce48594f6dddd9dea6e358cc8029741d7ce97b82e47281d14d9784f5d3286c9a011c49f11b7c1a1126e1c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}