{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241269",
    "entityType": "User",
    "nonce": "0x90851f41f2114dbefa92dc9f244aa00495a6112db03308142761b3f91f20fc75",
    "signature": "0xa2528929349a156661c734c3a0202cb5877659cde51e98a1a9534a9c20001f3d4a8a717c839b68f96c5a3317a93790d9ae3e36d80a83f884cb071c4c7f0a99031c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}