{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64159186",
    "entityType": "User",
    "nonce": "0x2deb324ded72782cec7fe964ee5b379fba3f68a88e9740fee899499bec261db9",
    "signature": "0xbf5bb0e746f4d47947ca5a9ed58010146dc8d65edaa2ba8071502ed36ed0094c58e05469fa792985eee65e4babf1fb318ae3a57a8e2db0aec21e9fb301ce524b1b",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}