{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122316",
    "entityType": "User",
    "nonce": "0xd89abe2450187fb9bf856c7d71dc83062228fb1f70cd90fe31a6dcb7c5e98282",
    "signature": "0x70dbb7ebd13a866757fb4dcd07ffbdac497686e0fd0d0107a9d9c7cb3775a9e167d81faf9b5da0bd99e7858a7e9d91354bca4d1e166cd0761f653eb9c9de125e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}