{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1786871",
    "entityType": "User",
    "nonce": "0x9d22550d737d2160733e3c8ba4d154a069ee6235c96ebf9767332fc7f59e1880",
    "signature": "0x2403c2f25a044d029404ee08faf90a770680cdf1c104070cc587eacdd184c8ca28741e3d62a916e37fe2c2bf25844d009065bedcbcae4e68757cce5181eba5391b",
    "signer": "0x983820df6193710AE73868f6b05d65D5F2ED6402",
    "userId": "508601064"
  }
}