{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1640466",
    "entityType": "User",
    "nonce": "0xedda6fe8e89efb49cd89845de1825c2d40351c799ef95b314a915fba2ca11d86",
    "signature": "0x22459ce1f54c08fcc10ae51a9b8419824920e314a873abba137297fda89b0a75317d9d72b4b9f698aa09a648acd6123444ccaf80c6d0aac68c5115ef91a086bb1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}