{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29419",
    "entityType": "User",
    "nonce": "0x035ccec4cd48a7b7be17c45599ce3c6d62ddec72247cb09e94ba583df43a2c81",
    "signature": "0x66568642786f66ac692a59b4c96dc6cbd0e356c822f2358e9ef97a87e941fc4a0e1613072fe9c224397ef4b59beb79126eabe23b65585702aae2ed041aa531b11b",
    "signer": "0xA58E9DB71bd7769eD0ce2E3B8570c246C1157776",
    "userId": "636373789"
  }
}