{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44469",
    "entityType": "User",
    "nonce": "0x8966887cde706bd6ef1f08b2797561555142e2d64cf388d8d6ea8980a2f83f05",
    "signature": "0x9ba934e687b623c2d0a7c06b09fb55b62a4ca157d9c021938727c2156dedcc4d6aaf23650650d71d134db340bd0968cb6c27ae40d423996d52785fa91748dc581c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}