{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132950",
    "entityType": "User",
    "nonce": "0x2ceeaaf1853b387e9bb55dfe78a89257d7f8bb66ce07d5d89e5c1dd9fae3e3d9",
    "signature": "0x48d4d3d8d6acca5548de1e7bc7923ec8a52544ba2dcf1f8a1fa9d726938464893d2badbc211a4d181905147d395de4dfdc18efc1348568c9663625418f76c98a1c",
    "signer": "0x8739aB96B52ccc56d0E5226Ff69659162d4269A9",
    "userId": "320952162"
  }
}