{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1e13ea4b7c9d0f5611fec6216db67030fbb4ad47a43aa62518edffdc2d61cff4",
    "signature": "0x6686f53ef71f9ec907f39d79fb4805d4dbde89fd8389d21c844c8afdc38200216127f00a10912b5b477995ffdaf895e130b2dd52469c3ba9425bcdca952996491b",
    "signer": "0xFb9294627fb41f72bDfDECC8f54CfA5d6aC07098",
    "userId": "583146995"
  }
}