{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137188",
    "entityType": "User",
    "nonce": "0xd68b3701ead5dca1916c64fac184e7e1ed0a45990465d63682f1d837fcfc30eb",
    "signature": "0x658d4010fa6920a35b5f45b15a1517c0ae2dfaaa04db16b1c46946e6de87dc184d627d478f5ecb36f1441beb01ea4b049527a04a18eb9b494e4fee16e93b017b1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}