{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182733",
    "entityType": "User",
    "nonce": "0x3518782b20adf5976ac95e20720e536a4146c5631a4fa1ee1e5043b5e8e2384a",
    "signature": "0x483c4d50e84c814d4111ae85945b6020ab483fcf65a0005b332622331fd4c3b109bc658feb722df88f5d1d3629a6adfc3c93034e0ab54f8c07978d0512542d0a1c",
    "signer": "0x5391496E932a3143AeB225d332e3485D8f3f2a2D",
    "userId": "712969344"
  }
}