{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120044",
    "entityType": "User",
    "nonce": "0x294daa27decaaa0eae2a8ed1fc1d5a4d98d8c13d9056acd210ea02d8df234a7d",
    "signature": "0x3bf8a47b78ba72e8f28697cfa9c9a0c509b542483a2c15bb57a5f43e2ee876ed2a502cf3b9c367d21649b16e577b746b006a07d57e74986449a6ee554c80b8ac1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}