{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138606",
    "entityType": "User",
    "nonce": "0xb61fef12482ef3f1dcf773d1cccf975066024ec24fc16e32c0dc2ef8f57cc3b9",
    "signature": "0x195b5603173bbdd0625207a5ba18df68d40b6d24ec4439d3b802293c31b273323a3bd674e2e3c61fbab0efb73152bb0c4e0f439903b2d38f20b5fd25bcb8e4191c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}