{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x60be4bb2edce99e1e01a62b1f1ba7a61a0188f1bfa727e2a4b86a25d379c2bca",
    "signature": "0x6abea75dbfd3843f15f317236c1358adc4ea4d9f447aa2aaaac7ec82521d09db4d67d2ff924a62ca6ed472fdc5ea33ce90abf9abcc324f1b415687683fd1be321c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}