{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147051",
    "entityType": "User",
    "nonce": "0x1e9751f51a59a01a8e43b281dbb9c19f6bae967a544b168d980dbf4e2d11e583",
    "signature": "0x35de1d85b3c7f8385fc945ba76c2e770342fde456ad0dcca51557bed3b1d975d153f649a63fde57879d302c4d0d5a558d8769a3e0ace5e3b795df49cf188690f1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}