{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe2d4fb41dd61758b58546cb404817cb509d8e23630c2d16c5959187959b184b1",
    "signature": "0x09f9a7a1b9602bf5e12aaaba6280cc17bec295ad51d1b5c70eff02b34a0517c3199d13febe727f57c9c3c950ebb448277206e1b4a471b2b106622aa826efaff41b",
    "signer": "0x874FC0A92A67F234518D57908dB5282444fb3571",
    "userId": "853740451"
  }
}