{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392737",
    "entityType": "User",
    "nonce": "0x6f9b195b9d2efbd1fdbec7202a26c250d3ef2902f0ef16552927697f022cc5ac",
    "signature": "0x75b00d19356e28f9705ff497c79d87814273d935f88661239d76dcc217d8131e57f47c57e71ffe10fa04318b182c64066d856b518dcb38814ce72b9df26027a11b",
    "signer": "0x63762Ba099c2247aD3755af8aCb1d62705f0D5CC",
    "userId": "851444561"
  }
}