{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470920",
    "entityType": "User",
    "nonce": "0x2fb92010862dde24795a83071a6ab422e0f38c08d41960edc493d450c27b26ba",
    "signature": "0x881eed84834c50924969398adb14330f00ba6698f812e971d2f947bd3047a60040e35d834e103bebda0aad915f778f09c01cb4c30b1950d877aff53bc73a236f1c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}