{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112256",
    "entityType": "User",
    "nonce": "0xa549d2673416777c501f085120d567a11d28d53b1c7e9fa203decf443ad1e2ae",
    "signature": "0xd827a07200e51621d399457a4949a94d36e5827ce8729cb3aee1c173622f86293000916a6c610bd16ef376562f780e281ec9ba68c6be8c468efd4d3feffbd0401b",
    "signer": "0xeC1219421eB7c3f9Ae2846E885f45BDb4509ccF8",
    "userId": "892020777"
  }
}