{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1570",
    "entityType": "User",
    "nonce": "0x775e096f9760d72740155df49a66971208b894fb7ec306bbf99f27d444e16405",
    "signature": "0x17cc6c523937d53c975b5218cc297f468e58ac64e2a22e3fed48b8292ba1482351dae20cc185f4ebe301a645aefdacdb581276bd81e64647cf4ab5e4a76f161b1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}