{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0xb936d0780e783f31e1a8412b072e417599f5ad374bc3035bfb9e0e7e04786eed",
    "signature": "0x8d62885d57c2d931ba558ca16cea003125a378cd00105c822aa3d28e9f6747e350cd0bdf5122b44eab39bc6398b30c2695340369961da014510fb7137cbdccbd1c",
    "signer": "0x344Cc6Cd6326A3Fc46e2f789e02111af483Df673",
    "userId": "980331"
  }
}