{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "766293353",
    "entityType": "User",
    "nonce": "0x7231e778c1ca671398d683b97d1e92825da3d0d48bd3eda14bfec973c3d60a2a",
    "signature": "0x160eb4941bf3c4cf4c69d4b1b02d3ee06201f14c796ff5e1c88a79ce3dafaf1c74f77938689065850606e9b520f3f461f7817b413a851f454921777ac58cb4cd1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}