{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb83b8a2728ed1d3713688a5e03d1fb10a157917e4bcb0b7b4e34e196161f114f",
    "signature": "0x86fa40223fb733305c52a7f72e8eee7287297b70623b884a444f7c205addc2eb2f0e62df1240a20901caf98580aea7bf2661ff3e012b1f4279aabbf3176afe231b",
    "signer": "0x2ea66722Eb27B897cAa314a41c784f25D1eCB4bF",
    "userId": "488132087"
  }
}