{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "252081",
    "entityType": "User",
    "nonce": "0x2192cc621045fa6dca5946e6d028674c158755c9946acdfff3d87d5dadd6fb7a",
    "signature": "0x735d0bc39fbc205b48215bd19778f1f940ab5a1fc718aac60f2fce2ae52f2ec634d198f2cdf2ccd4e59f4a16795ad6da2be6ed24b450cc542959dc374537a6e61b",
    "signer": "0x1E097836b696E63387992B7402dCcEF7842F477a",
    "userId": "525334885"
  }
}