{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0x4a2e5639055b87c283e825da8ff0724445853ee790060d0274edbd46f52939c4",
    "signature": "0x91542efcd9ac320d1e000b6bc6b57dbc93f61dd4fd453a2693058abda62302160e8adfa90efc303c9bcbf5d5d2fae1ec97f2e3b54eb2bb9eee431da3cbb9d3cd1b",
    "signer": "0xd6F1269ac846201d7f6d5574279594D67A06bBb2",
    "userId": "624634439"
  }
}