{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xc17e523297b44ffe1b9a5e39a8b1d5432c6a547f81494abfcbd841b360e4b704",
    "signature": "0xe4b14abf28f9833cf58136920da3a1ff0bdde83e95bbb107df51800785e974b768d3cacd93b398495717dcdbbe2bdb202470b2e3577bb6d27de21504ba0fab061c",
    "signer": "0xc6ED8841CAa23191AB374bd7d546F29746aA36B9",
    "userId": "441723301"
  }
}