{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88417",
    "entityType": "User",
    "nonce": "0xcedc286deb9390ed2a4c62de36590939e3dd49dec1295c65e61da34154e201ce",
    "signature": "0x458754f5bc145a0f4d99fb2381501dc8d963819c788ff9eff90f186cdc16c36e5cc1e5e86be388b14dfd321023317209e695e29a2e92a44d50f19e4fd0a6e2ba1c",
    "signer": "0xE4EF593fb5D21ecF6B00BbBB006Eb9725F5F7a5A",
    "userId": "852971520"
  }
}