{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49485",
    "entityType": "User",
    "nonce": "0x3875043d2a5b4ede48509b458ef6f78bb6c9626d9a9009bee789035c023ea9ce",
    "signature": "0x9f6cc63b2c17689d4cbed2e877a8b9b6f33453b9717b012facf504ac8e43365a2f22c466bb6da646c74f76a7efec623cf65a22ba8997b0cbd688bd2f6e8b360b1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}