{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129104",
    "entityType": "User",
    "nonce": "0xe17a74183744a35a51cc564a32ae4ba5a7f4668da618c93300ac712acf57ca8f",
    "signature": "0xa630205ddfa83cd04d3ccbad8d87957dfb651ffc30dc723c551f185f1e4c714b7ba175140f544cdf8b4a9c1ff8eb85f1128ce6c5d15272458923dc944cb4cb4c1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}