{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170302",
    "entityType": "User",
    "nonce": "0x02b8e1d34c97566393f5d17181361931adc7dc12246b8b615865f7fa90dfee84",
    "signature": "0x75df5938847280054b1966e09fb66d0e197d7e7d286f1935cce883992ddcaa55043fadb14888845344e59c8d1ea7857bf6e6cc0810d7355a10a99a08115600a91b",
    "signer": "0x44567269b2165376Bd13d6bECFDE4A02F3ef59AD",
    "userId": "49012201"
  }
}