{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x4e1e4f1f793cd8095e5b03b295b65d5cc5378ba479864e849de1575a1c7a93bb",
    "signature": "0x7dbac6f94df31109bb5e3ac6dfa357243d173ac90add85a9b6e66b866cb89b3d6f2cc91e7346b6b0b4a19236cd647c66f2e65e71cb92c4e9447507743fa2f6471c",
    "signer": "0x52Cb4b468190D878a90e6d678064532b2405fBC6",
    "userId": "184931764"
  }
}