{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0x94b74c8c34c3f5ea15fbf6d74cc291284c251b63ca32acbe34ac821fdb3563a4",
    "signature": "0x49f05224ea70ffdc3acf311976ea5626e13cfde0755ae09384749ca330e96c13166e5d554e1e87e69070eeb53aec787fc2da68d075d6b8c186f695090ec5b35e1b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}