{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x326c0d0c91141751742bad22ad0fab5f5de9d7525144ba721fe94706a8f006e0",
    "signature": "0xcd7e1b39d1a201c417cde1ea24564b872f68b988b207a1c7a3d6c548f1f088ec4a5383329a34f826ea6bc3eb59a0b080262eb776eed12e403b6fced12ee1f0161c",
    "signer": "0x06Ad5789cE045C5B0AeB97849051a7385CA95B4a",
    "userId": "270209897"
  }
}