{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277314120",
    "entityType": "User",
    "nonce": "0x691ef016e717502de675a6a1a145cf2713ace16fb17d246ecc21aeb8deb8b54d",
    "signature": "0x66ed46cb9f087c6ebadff26984f755fa3f6c46a43d425d531d8e3a9ad269c0d2437f91e357aff02e09dd4347d1d58cafb2edee5f3c2a652c167e3aa4c3ab5f851b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}