{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0x361c57f77abf3024cf2d56c2f1fb9d71a5b577cad931e1cc5a94dc664ef7a197",
    "signature": "0x6d71b1426179d817457176b98127f830a3a44dcddf59a01ed7fcb70b327544e46a13a0814d5f3642eec221ad26be58b8fa6ec4b0428321cfe523d370a7b095761b",
    "signer": "0xF7DBe9b843E977E69B3b4D2f71522339fe129359",
    "userId": "624790304"
  }
}