{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182902342",
    "entityType": "User",
    "nonce": "0xd5d658a58ccb80a0835f32baa7e26d11502667999e76bfd956f43b11acf9013d",
    "signature": "0x7427a64d89d64299b2f5dcc086cd5b7eb840db1206a5e7125f158b2172fb04a416fc5b577fff734376c02ae04f0c75601a86d0880951d36212ef43b5ffa2bb121c",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}