{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbc535e6c30f332e68337df6f1e98c80a674841288d933bd969e5b2efcea2b344",
    "signature": "0xfe56c896da28c5496f3173b5431f912d7e57c1c9d46987344c697786c0b561973100cf4183ac339fd31e9788d05c301f874a3bf2964db540b85c76d0f6d005e01b",
    "signer": "0x9334c6136F26E4E2Eb1BB47da61Ae51958Af67be",
    "userId": "626108037"
  }
}