{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932111677",
    "entityType": "User",
    "nonce": "0x1440f72f7768bc9b4222939acd4025b747dbb059b407cd42fd986b2014545b7c",
    "signature": "0x75e57f56670a01389d16eca95752b69200490417042bccf5c8200bb1ab49ec15342343afd308e10c5d77a13c426442846932d61c51288e3582128178cd102ba11b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}