{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "987024554",
    "entityType": "User",
    "nonce": "0x7566a25857382be7f184649951a6c580c323b98ce7df00c28ef6b718b0ec0e3a",
    "signature": "0x124d7fd1431bdd1505aa14f7f616ebf88700c7198208757ad5f986f38418cb3172adcf09f6a66f94882aa01f8331718378eeaa0c83a35b63ae5ab86491bcdc441b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}