{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdbf6e4dcd0cda77c8c4b3d516c96d4b46cd4ca8c4c875773e505f0f29d02ac2d",
    "signature": "0xf2e098c7cf30f541815ce798bccdfeb92ab3bb96eeb114362e3ffb070624926273c6995319398f3d58ad14976c041733bc001da86068b1d2e19f92f526a8f2271c",
    "signer": "0xA89E32Ecf2E082BcfF6a50CAbF1c1b752B4183f3",
    "userId": "776618383"
  }
}