{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0x992efd0990e38f66134085f86f509fdf671549c151229554fc0a7cfe1e760aac",
    "signature": "0xa9aef4baea62a30f260f86a8f037e3367c64b7bb9ba6967ea052b39f58f6502b46597cccae467620ce1809461f10a98be26a64f831e0223f9c1c06811f700ce11c",
    "signer": "0x29aF37341ECc995FDD7C5fd1757A5a695244AADC",
    "userId": "113302290"
  }
}