{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "971034959",
    "entityType": "User",
    "nonce": "0xdbc71c48650988be0b524ef901a331dfde56ee618d6a3e8c67ddc12fbcb85ee2",
    "signature": "0x2a042f5d91e41108dc9bf68f7759b98e5b8a8aab2991424010afbd48b3e22d2e55c2747af25ab47ebbab3c58437ab62fefc35c32d6622092d00f67f4fc4bbf091c",
    "signer": "0x6f20258D1188c4f08d27788Ecc9ce87B6af3913e",
    "userId": "469120908"
  }
}