{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "912339",
    "entityType": "User",
    "nonce": "0xc0deb3eb3949962ea364fbcfad80bd7fd1eff43b58ee5b26595996dde2c1be9b",
    "signature": "0x24773054f98fce1c4f436660d773251166a1f19a7c294ce00d977172a298315436f7b12e485e8be0be0328353e247308491b32fbe3cb6bcc4e841cabf47176a41c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}