{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xb23a2bf10a96b0dca51ff878f2b822473761d759ce7833b3a99f4fdd4662bdd3",
    "signature": "0xf971188e9e0bd034e88cdb20d2971f9e3fafaea28350c6671789567c4aaaeb902657f24fb04cdf46e91c7b03989dece2809c4b0facc9070ca548272cf1d3016c1c",
    "signer": "0x6Ff565db54541146dE5451ab3aD3AF09971aF9ca",
    "userId": "627195083"
  }
}