{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "713649918",
    "entityType": "User",
    "nonce": "0x21f1bfa90e51e6ce98e2fec914ee05a91dde5bdbb0472e5072720e2af45f5c36",
    "signature": "0x32dede7af17da178e114de6149338ccc8db32afb2f8032cd7b489867cf4cd728384b701407fb054a7a03cf8cc865952f97b5d60a01ff5c9762be232da377a7841b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}