{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xd13f99f9ce2458a655de454f48cc5394e190d6ec892b9af7799fe64493c53022",
    "signature": "0x69c0796a6f6c1cf5a5b4e6e604db836c8e936886bfda166d2a75a332d08d504f56599dadbf969ade670a265cd1ec94716edd0dbe9e6eb6c0c727233efe75e42a1c",
    "signer": "0x1F9dC682fadBAc94c0Dd4ca2232a3f490704a737",
    "userId": "737872723"
  }
}