{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x226053d649d64b6eaea0b19ad0f2830f893739354ab254200c9b3f2ab5e69a1c",
    "signature": "0xa1e18c3e8e770a80b024fc5f7a6b997883999e1cb61a068c7826d4d3b1bd4e564a1317b74f286661db7a35a717a91736838fd2fae01e0db287d8fde82305d7621c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}