{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63844",
    "entityType": "User",
    "nonce": "0xee31766b10766a4aa70d66007ab1d737b29b227596c34b4a97a3d844e3095058",
    "signature": "0xd4bafb7a9078b50aeda3271482b6b0adccbaca2be435345c50aafed48813ee40019ec9428fd1e19c3f10c18f8b5862b92db4a5c9a3ff7a0ba8e5eb44a55d0bbf1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}