{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1053953",
    "entityType": "User",
    "nonce": "0x4de068f5bfd68c46407b2f65739271cf9be0b42ae2a74f56e7ecb20429afe505",
    "signature": "0x52234645cdcc496762376e16006ba2bf894525e33ed0c9a0070a4800d9885b684ad2531526b7135c0f0e425f7c746e1d8ad2bf2ae65a955b8742d57ab283c83d1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}