{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383081",
    "entityType": "User",
    "nonce": "0x1aae69373448ea37e1cedc99d2b905af681d713ee168ff56fc604a9d33f8eb2f",
    "signature": "0x684f719e77c9ddbae46ffbca5df31041d902f105c3d5351e2c0c954d1e906a84488b00c6e2bd9126c6491ac9cec4ac6ed6f2eab01aaad998148674e2b21587bd1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}