{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58434",
    "entityType": "User",
    "nonce": "0xd1fcd200199611076ba5533a6582827162d84df3931dfdb08f2940b2a1894fa3",
    "signature": "0xf137d8fbd2fee71c92d0da455c6cf0265c77e597f26bfa86a5ee25cdd38d1bcf7b5f57debf357b341cb4cd17273300b1d92da404ff3d9c62296fbfa40da4869f1b",
    "signer": "0x8B50B0687712445cB22f8e1232Be42e560bE3deb",
    "userId": "487640022"
  }
}