{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xc2a384df8f367ab0ad443a9eb0a9fc9e826c11f55fabc88715d55ed4b294c472",
    "signature": "0xc6219d7aa845b6123dc941ca05cb06ad6d27a07ebf9445b107e4fd8a9fa7c3ba735dfa2b39e17d495f6591c9d9648c71c15682ea6641f344e182d29df26bf4631c",
    "signer": "0x004B5417Dc7a97C6e4fC91824604df56Ed56C52C",
    "userId": "835111870"
  }
}