{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "474678",
    "entityType": "User",
    "nonce": "0xbee62007f0ead5d769bb4f0de6f21f75ccb929fcb514591437818bfc607e991e",
    "signature": "0x0287da162dbe15fc56adaecf0aed5d37b75d491ab1efc0980d38be72ee60e9297c3132eb780890c3a51cd8ed564d9b582df1cc8377c0f02a0455e9cb64a332791b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}