{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19702",
    "entityType": "User",
    "nonce": "0x8afe086c27b63b1fc75105110b53ff9c016e1499a3b7f6fef92225cf255d1c76",
    "signature": "0x29d95085c10d7606b302d9148c2ccc8d71ee1c5961ea99404d7b9e1586dd6e9f1b233046a48166fbcf0e77e4e1fef79b829384fdac9976b0a34b0d681e2798531c",
    "signer": "0x66B512cfC2112256537bF1a00089580F97b95f44",
    "userId": "776161"
  }
}