{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "32067",
    "entityType": "User",
    "nonce": "0x3221b1d3faeaec7d9a31526d97309eccedb4292ba8ca1b7bcca471a3f9d628c6",
    "signature": "0xa5fd0f1ea49b231f9377d99f69b2a9551ae18425e45b8abe71026e0a0629c45f3ef5834c4d2bc2d7d7dd8b219744b55043e4f918a650517212ae31200dd877a81b",
    "signer": "0x90F810aa7C6F2872852a480c02fAd7F6d048bcf6",
    "userId": "757239268"
  }
}