{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196732",
    "entityType": "User",
    "nonce": "0x3e03ce8d24b3abc78e42c11224c5e971b9c23be8eb6ac5602a6a4e695640510b",
    "signature": "0xec08d19e45d39111dc1f1b1acc24c9e741d289ee199125bab8b6deef97af4b747f06cef00f9d9d0b708563aa74f0ad6c0fab3ade97a99468dfe995a39fd0426e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}