{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843258957",
    "entityType": "User",
    "nonce": "0x7bb393166ff95303d6dfb92d662bfb4d698436aa9fef3595f3b633967f45f2d3",
    "signature": "0x82f1c10c7147567c1d1a531540c50f2920e957571134f0922a487ac14281ec1467ef19d007e8000e7601b856fc238469114d0709ac71d674aa80c8f1fc25525a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}