{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49485",
    "entityType": "User",
    "nonce": "0x49d268d982260688cdfdcb672f9f7d0d196595a5280bfd27789a174e5c81a88a",
    "signature": "0xef0dfb566bd93b891cc70b36fb22b981c20a391ebe6c4b3d14a337953b180e446f6ea470db8b68e3aa37d5525a3a1b1d795249a433d86665816dbaa708b5b4e71b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}