{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "468275841",
    "entityType": "User",
    "nonce": "0xd99fd7498e0e613844dec048bbf3ccab83aa41cbc38c7cff1e102e7effb590dd",
    "signature": "0x97a79d6801ee52dc4fb532d856c6308a27047116e247ae86e5dda4207a7c3f8e07061e4898c033e741066bd62460ec0d88803c7cf1938d6800757b4d3bcf7e871c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}