{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67875",
    "entityType": "User",
    "nonce": "0xa199371a39eee7c8c05ba8351ee0fd3e2fc33790cc2bc820a151fb95fdfbc6b5",
    "signature": "0xf83f296180ae9ad1b69490c6e0d395f2d0f30dc30d64601c7d2c5063fcffc0eb666db6d1558c105532e7681f938e554fcc48c972c80aa12e9bc671789e5f9cd61c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}