{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9c1a10b1b4d4f2570f9786de63651f1d5fd815ce4af96625bcdd67ed9f005994",
    "signature": "0xae6c45613c9054c5c9063fbc8776e7ca9ed6d259f521ba875094f56b5d0beb6849a02f5a0a2208b730e95f46b8f5519e23f513970b08a337a0af4a0821db0f581c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}