{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38191",
    "entityType": "User",
    "nonce": "0xb11516289ac6209702c467223a96d9e5bbbd71506fecfe4f85e45811ebbdba6a",
    "signature": "0x02a312d1bba214203eb1917f87a5a61adcc882e6b3f03fc6c590754bfd1ec04e5ea3608e188ca32bdb27c354b2a4f85609df2293199114cee07cddafa4f6b54f1b",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}