{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146127",
    "entityType": "User",
    "nonce": "0xbcd6826e14b5313bd53bb799872474e36fd5468eb3d11397da055a7d57a90a97",
    "signature": "0xaf3e85bf0e1cfa7ae2da3b1747b91a0a14d9a6c49947e8a37f770d602345d32a352ad8cca00d5dc3ea9d5c7677a56e32f2b93ddaa59c69552a25f796990d918d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}