{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55200",
    "entityType": "User",
    "nonce": "0x2ab83dafb8d7c079e799ffc7dde0cf1e1e20cef79d702d2ff32bff9836f0d422",
    "signature": "0x4b2d725c73b503f4210c42f0c82b3cf92232e461afe3ae6434570c568909a4485d1f018c576c0edaac7237587c142262643097ba903c007eb49991fbb00fc62a1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}