{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314470109",
    "entityType": "User",
    "nonce": "0x4531abc48f019912716510033f9fc0d606420dcaf8e5092d5109833c931a47a8",
    "signature": "0xd600229f37246026311a1330ab3077985eb27a825ec05571651dcfe65141be816fdbadf1bc51af19f0fb8ef4be4169879b5cca72f77775eb966eccd40024eede1c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}