{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218853",
    "entityType": "User",
    "nonce": "0xdf916840f7625c2144cd4566cfd930aa2b2cbd8f1148e32ec740952669c2353c",
    "signature": "0x818f30b1ff572666e03ecf2ce214543c58c689f837678ee7c00bbb832734fb217f0edca4a5b1c3c0dee5a844da8c17909cda1a29b9fe18ff0ab9604e7ba5e38c1b",
    "signer": "0xff6D783a72b5D9D2B698cB41E2f89E37566358fC",
    "userId": "829299814"
  }
}