{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967681084",
    "entityType": "User",
    "nonce": "0x8bbb5c3dee5166b3411c976850d988b0c6347648f563c40f15b572e3f2955345",
    "signature": "0x00e192fbd1aede84ab65bc8fb1afad17dc17da53019d0a6edceb57855096a856680afcff6d553e8790cdcf8fe8e5e8d9bba73e7093356fd81c2c4efff1b13f471c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}