{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322981683",
    "entityType": "User",
    "nonce": "0xab6c8691a5bedc039c05f203f2a496cb812beedc50ac458657fb127726f74311",
    "signature": "0x2a755efe5709379c7b936c0ce7f3007e98becc6ddd02a939725d773cb54055c5033ba6d5f0311a82de83722560edb58e9319263482e05b1c6ae53213bea6ab5e1c",
    "signer": "0xa1F606584fdE30bB7d4BE2EbeC98A5F95E4559f4",
    "userId": "786922215"
  }
}