{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xf407593c45d322c004e57ec8721df18e44ac00737907594e91c732266a41f70e",
    "signature": "0x9df5639229c8715be9403eebf631598d7ea7af76e57cb6e108572f7bde45644314370639f7f73c8ac434ce928a0d35dcd4fd4f953830e972a987ddcb7c2640db1c",
    "signer": "0x8034D591D4CA0231Ce46B64D37bdf415E4BEd4c4",
    "userId": "47471151"
  }
}