{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x7aee0443abc200cd4cdc50f17a7f21e1662481b7312d360d2a3e309f8878e6c8",
    "signature": "0xd8cd4cbfcbff1679d92725c7ec1a44b62c9544d758cc149153632c94f117d2d9577314a52e8a5c229ef13a389a0643e692d8701f93ca4aa7f8598a0c39346bfb1b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}