{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "229134011",
    "entityType": "User",
    "nonce": "0xa03c5d43d4b09a64ef3441f5fa5df072e6ab482a12676aee7abbc2266d0e0d29",
    "signature": "0xb2edc97f96976d22d363389821a1c8a4130367225cbba021326e37c9461c6c517620d7c6e0f64d15a1204fdf46b08e4a78d90de868a07d303fd8bdf11b5de4c91c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}