{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "799910427",
    "entityType": "User",
    "nonce": "0x7d5d0c42db75c54631686be9408eef93ef39eb3eb53c70e4e92527a719eebbf0",
    "signature": "0xdeaebbb756220a2bd55ddc22dad0bdb93699f43b4c796d219c8868625e6a63920f373362582bcd8b5791a9f24664d0f920b701946cb44999fdbe60be609f88bd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}