{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77481",
    "entityType": "User",
    "nonce": "0x0f84630088d8a69acd09c2270e73176fb8a0cd874630c155e7f4322c90aecc82",
    "signature": "0xff9187f29288fabcc2d958961eb3babc3fcc4b1ce9ede330c8f2dc74162d1fb95c3831fd7c262a4d086ee92f0c84edc41636230a9894856e7b24b23627e016701b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}