{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9a402c4c99b130161db9d28cfa6f2210c0c4fc8fa9782342db7235c0fd9eb205",
    "signature": "0x0601ea233bc542f3dd522ea112492bbba219c3049763a9141a23ecff039c61194b23bf017b3d1cc5a16a47538ed1e7459df1b888dbbdc8f3f9825c7af767a19b1b",
    "signer": "0x7fD36Bf59fCf5634329A1230914D646369Ab741B",
    "userId": "137133613"
  }
}