{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126148",
    "entityType": "User",
    "nonce": "0x89e382467dd9425c3b012d2f923548df99007cd0e831e43e76b1ba510b82d9e0",
    "signature": "0x8aa10ff9065b7e679a5b0a8a2899e29345e6342e0d370af9384a684846ab89580c1ac647e0da4b2164f2a849e930ff78b9be51b0475aee8b2517a6d6e78d566b1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}