{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52309",
    "entityType": "User",
    "nonce": "0x32c63b7c23f39e0bbcad566500eae4efd3bc0e30332991a611ea199d750bdf7d",
    "signature": "0x6a01f2f37c07cd9f7717e2d2a79a34f8f35f1cfbcf5b7b220ef51b0aabce2b4d057dd4234f1aaf04229d0064859e78af84bd4a47746ab158006def8543db6c4c1c",
    "signer": "0x03d71c9f46521125eFC55E05f673bfb2246FEc09",
    "userId": "26938020"
  }
}