{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "32723401",
    "entityType": "User",
    "nonce": "0x5b8e140f6fc75b645a8957ca02c5820edb74adc360a8abc0bb52c31484e0998b",
    "signature": "0xc3022c8b167024e4c373fd8df3ff653a4783d0caae86020fb1592855510096915ae68fb96e8225c74afdb0b6f2c15065bfb72eac8e586c6e17044106e56df92d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}