{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe558bc1b8a03872abd2e12d98f7cd6d6463224643914bdd107df71b798c4a729",
    "signature": "0xbf27f0c2b37ee712108a12b009f8104016670d8734483bdc6cbd2b2bc723ab5d4736b97f36eca3f03a2aa668f588fbbaa3661344b0941fc716b158adef9095151c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}