{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0xcfdaf62423a8c8be00d159908cf8bbf51653a600764efe7a94e163dc606dabe5",
    "signature": "0xb43433ce778df0904fc47ca298001ef6c9006a8623917eb8a6d1516d886b576534db4bb1f65c0f651445e940d6f22f228980b943d4dbeda7bb2b2b4ce00158131b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}