{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66154",
    "entityType": "User",
    "nonce": "0x83a2992f4d8e835a194f75aada7b8403ec027643858aee446b7ecfd82a91f402",
    "signature": "0x99e1410c6595103387ce0696eae60f46f852c93d08a7c101af2e8fc4e5f324f8790ebd5f4b81f47503fa68b120af31d082dee4ab1b10431f7c0eaee8b0f1c7351c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}