{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994858715",
    "entityType": "User",
    "nonce": "0xd966ed63f00bac47c4a719ae3b19ca8d3fff4d29bdc7457016ff661a6bb71462",
    "signature": "0x40469493dc6299703514418b167dabed7fc74bc3cd3dcf7c6aaa0369d7446581240c913a3299a9e85516b21f6adced05986b2a8763ce1715ecd317a24b94bf3e1b",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}