{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984268095",
    "entityType": "User",
    "nonce": "0x78f32efe1c22f2b98315c8fd7296aa3bfb6533b52e53c2b15f407f02197ff9d2",
    "signature": "0xd3c041f9fd820f26030290c55abec4bac1c7802577557f83b2d7f120029334f434cab5237be8976affdae42b4fdcfcfbad701f470f4a659f1c280ddeb90cc9f11c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}