{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2029574",
    "entityType": "User",
    "nonce": "0xea589f3253668d01761cfac8586dc4b385118dd602efd6aee400b6bda65eb4d4",
    "signature": "0x288ba9ad64d11dae12ea44f72a2acaa1314d43e840cb2a45cfbb762a5b33052b1c90728775cc80f5a9b865b1eccf8e4557c897d45e3e09bef2d8409c34a1ad481c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}