{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333763354",
    "entityType": "User",
    "nonce": "0x7bc8908ea09350515f0f204741d6510a76d37ac24d0e8b204e17a89d366671b7",
    "signature": "0xd9ba1383044bc5163a9bfab27fc34d84fdca61da8c64772a2734704e3ae802a805dce5e69eb9fab67ecbb23aa6916f4769208eafafe73e3c8b196a1d3b51c88a1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}