{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58554",
    "entityType": "User",
    "nonce": "0x966c4aacaa12c310087f3234109b08fbad697e45ded4822d6b1315b94869df4b",
    "signature": "0xbbaa58e86d88304c37d47d0ab793d19e450ef61ccf57d5b1aa68ad78e9ada175387a54388f7a5b1d9b234f5666fd975f704cfdc570bf84ab70613bbf0e76383d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}