{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13589021",
    "entityType": "User",
    "nonce": "0xd7757435791b628c3c4503b0246ef49b5564fc4ad1f512c1ede0953a28c86ac0",
    "signature": "0xd56d0cf7be3bfce451374d8c066a8b6ed027e2076716116d56c78ae38b0dcdf408f0f94cdb9c9a27e115323285232ef723b8b0a8d7a3064b7b294de684f395cb1b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}