{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135687",
    "entityType": "User",
    "nonce": "0xdcee446da1fc863effccd9b7673188b8422fcb9f6b0d8106e6f6488803d74844",
    "signature": "0x62856685a3c8019bb67c737442f99d980047fabd9159f6f5c7558dc3a0840a016b79e6e88cc7fd443405bbec70b1198cf6037f8f643e23d84dfb61edf693405e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}