{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105644392",
    "entityType": "User",
    "nonce": "0x5bc0f3ac71c1caba4b156b7ce97eff741636bf1e2d806c05fdfd630ea824f500",
    "signature": "0x1e1e1214067b0c7e79b9b37144c58d3ac19affda72b80799b3f99989e960fe2c288ca337411c123f9779605a6e2cf90806a4e1ddd8b889358cb8984cdde9e8a31c",
    "signer": "0x229809a4b9B3B432eb2c65d5Ea6c9Eb1E6aA348d",
    "userId": "823446"
  }
}