{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "710760",
    "entityType": "User",
    "nonce": "0x1a546f184226f10b5963610f6489fd00e2b59ee1721b2878f931608c4624850f",
    "signature": "0xbafc4fb7e1de16ae4808124042e27fe58386b38051e3defdefe8583c5e75c57b580b41d8980fa4877af6524044f5374ba49c80bd85684a2513ca6c9d74ec35101b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}