{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130918",
    "entityType": "User",
    "nonce": "0x3be4e5ee41b9221e43710a976d091683461a03403a73cf30333c5a960f17652c",
    "signature": "0x1d1079d66267c8a32b12a7a3c1a9c119fca7973f60929642d841e8ed28bd7fd066d8ff284aff6768eea86dd656eee1988115089b5d475a56415d88a3c5da70791c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}