{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77481",
    "entityType": "User",
    "nonce": "0x046443f2388fd17b6e99da8c9a3dd1d70ad53f777db7720f44b8e4c407c22335",
    "signature": "0xedd1ddcab082f84168c4718a4eb30c951ee6c1141264a0b31a471bfab2235bb548c38862ac90414d546333ab969521efada0c6b8b6f99330cf89ad3141491e691c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}