{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "679114260",
    "entityType": "User",
    "nonce": "0xfa75e2790031f79ef1a76bdcd63691bebe90d1323a618c97ec78e1ebb36f5fc4",
    "signature": "0x5b7b05e7bc8951232de25d98a3a17f92644093dbab2d997e98276e9020e7568807153dc39e1aec5dc5c919fa55f8bc15f0d3147b7b059658f50718cbf63818f01b",
    "signer": "0xdA708531501D4f46C162eDBca1D759CB6e7447c4",
    "userId": "985405611"
  }
}