{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39252",
    "entityType": "User",
    "nonce": "0xec2168151ccc9e8ca0eeea5796e7ee559a6adb1a278b79ed42a233eb1e8c308e",
    "signature": "0xf747b2e0dfcbd2de36dd9ae84d417aa91b584b9f6e348a4e9227eb23d3e7d5f83194a8cc585dd8928845fab5dd3afdd30b00b1a074e033b6b601630d0025298d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}