{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "388569291",
    "entityType": "User",
    "nonce": "0xe35a42347f850b763e0f9030a58bc2904398379d4b404d1fe47bea5106bd07c0",
    "signature": "0xfc2dd2bf3a32ef881d935cc000890ea5811c9c06eb1d4d5559dfec68a0ab78483b5eb7c1106220d3e9b4254fe0173763667b263892c378adcbcb5e09a4f43f9d1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}