{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xbe29bce73a3ed9671a1960d06afd53b0b229a4f7ca07e1c2adfac2a24a1a1a2e",
    "signature": "0xdd2d006dfcb26be62df0b34036295b49029e3c204a45835f198ef88488921ffd5da85bb1ae3c8a579d44866a17e3a8f356f1aeec51ab60effefeb6847e82c4761c",
    "signer": "0xBA76F8188C3B73B4282D2eeBC45E9D1090AB8dF5",
    "userId": "92469189"
  }
}