{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170021",
    "entityType": "User",
    "nonce": "0x60251916c8111fba763843d3700ca41f3d7b3680a086c875d324626f2b673d79",
    "signature": "0x3da0a0f6a282d09cc236239f619543a0f7e5ee12de2492ec2c78b53644d1bf1105c100afa9185dcb4d412c2fbc31a2b795e1ec0a5fe7f6058bb32d776d02e4ba1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}