{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1465",
    "entityType": "User",
    "nonce": "0x82c3259036cbb53a47ea0ea6c958701e39414d70c8feae183ce0ae87f27b3009",
    "signature": "0xc12130468d12cf894b51de84db41650fbc0ad0b9647accd72ffd9af883708895711fff3361cb0fb1d4a7051688e8761f8a98733b900736c9f6947a03d149fb3a1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}