{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855326662",
    "entityType": "User",
    "nonce": "0x2e96a856a7f56663f0830693effe33dc7614dd556dfc9ac895d9137c7cdee0df",
    "signature": "0xb090d64458a14f7f4994bc36c30fda64e7c5516df5c24dead6f50250656de7d66cee5080cab9bd3f951faf6061798d1e34fdd451b2b7bf390d381c3c3be6db591c",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}