{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44577",
    "entityType": "User",
    "nonce": "0x63e9587670c29c8892ba3010877eac78ce0bd98c35b937e2d2d5d5b59fe48c1e",
    "signature": "0xc3f241e3eb8ccb572cd16d0c920a57f5422eddd03d3581f19c8f5a1c9f64cc9e1b91e1e51b3b51aa0f343cad8746a20d114008b26f196f8ad87fe20d5d6b84431c",
    "signer": "0xBEa1dfDBA81a63AaE979F322c34709514594D0D0",
    "userId": "705121733"
  }
}