{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "789943876",
    "entityType": "User",
    "nonce": "0xe92188d64b0c3f70004e72de09bf9f38d9654febc6605b4c8192ecfa103cd1d9",
    "signature": "0x7730e7a762a87850a6dd7f2058e64762891dee90c3a29490c098e234faf826d64031bde5ba082005bcf9d80771671b1ff97b09be401e37ea3e02dfe6492e07e41b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}