{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xc26d757920dc9360636025a5ed71d0e1b5483a395ac8be5b653e7f8d7857cd90",
    "signature": "0x2af6b161891cc121bf650a984f58ad546f0a0742d0e3bc109e80988c0d8c34591ba4fa4a15e2e681ed62eb7dff9a93081f1be53616f0204433644e9f8fabf7d21c",
    "signer": "0xC0eEcD5Ab99B0f0BCcD79Cf620CA23C758E8a338",
    "userId": "136979704"
  }
}