{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236377397",
    "entityType": "User",
    "nonce": "0x1ca60c7af179be1caab12c8b556817bf9f58c8f95340b5ad4345e8ce97fd623b",
    "signature": "0xee768fea4980834a47d23c3c9af136f8cbd7baa3a4d81543c6475647769926ee2879f5e4a1f02767077d8b88bdb17553aa4d275ead73e968e831158d2ef3f5b71c",
    "signer": "0x6b89eeF406A3D10E08768E85967dB17cf7EaCd03",
    "userId": "125044"
  }
}