{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100982",
    "entityType": "User",
    "nonce": "0xafcfb17ee7f5e73640ed01133f2ce38ed8c118a682f0f5b4817af75d3c92379d",
    "signature": "0xe384ff4d8bfcb8d089640bfd94b6805bb7f8408488ba9abf6531c0a18af8fd6b158367ba6327cebc8a4a2dd6890861cc72bdc0903fabce721e02892d6c14e5011b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}