{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980555",
    "entityType": "User",
    "nonce": "0xf6f9e05b30764d866d195e1ef34480c7584785f61f5503deaeaf3ab35688c22c",
    "signature": "0x3645971904d9fca28938971949d39c40b52010a1b62338c0483e9c416dbbb64330dc88a1ab0685032a4818f062e7ea713e32e02ef8cd21662d29b0972e68dbfb1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}