{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240425",
    "entityType": "User",
    "nonce": "0xfdae83755011d45821915a2de7a3a3d8734ad8aae4888ebc8cbed08ad79718a5",
    "signature": "0x428fdd1f6e674f825a0da2f9c05cd2df7c0f8faa345f9940143bf91a15fb30b55ae193dff0e02d9fddec2b07684300e9412bc574e756174fc63dba309a6667601b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}