{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2922",
    "entityType": "User",
    "nonce": "0x129c09e9f2192450e0922e1b01b09069ba788064e8aefb4fd9fde9a4ac820ce7",
    "signature": "0x7fddda731e6ce5382db1b37a77727d3297b4fcb8ec1b31f467034d3b70dd0a296d65cfe805963c442e22adad37d58f0b892a5f364c215cadb6791cbe3f3ef52a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}