{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17211",
    "entityType": "User",
    "nonce": "0x2e315a304910f4f197a226116878571343836bb169b316a1678565047329665d",
    "signature": "0x70c02af72dd79b2eb1514649e79820473b44dd1276ec2a55e1c8d868f16079bb08544a0af6f3366a961fd959ff65fc3dc537feefaa4e5ffc27e2db0170cec1e91c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}