{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200162",
    "entityType": "User",
    "nonce": "0x9bf1e35b26f67eb18f073b2e90a622d1664edf1f96bbe4a02ad1b5e0ea4a863f",
    "signature": "0x76e254b3cb7fbcfc9c526866daf8279f3635f52cfe1cb3512d462e6e6f5edde42e1289c21208e2ca28968d23d9e1befe45b3b6c2000723824036964f434cc45e1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}