{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53432",
    "entityType": "User",
    "nonce": "0x40ff01ae283c230885d56aaa53091f430320af820f5c680710a568dec479c3e7",
    "signature": "0x022479f6561a1e0cc318474021706038b180dfa0a354c006e81e9c3e0aef194915c67c1ee4c860a10eb040f82ff35213cf45a3819bc7c22b01dd88c485b8c6a71b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}