{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951644728",
    "entityType": "User",
    "nonce": "0xeacddf91398ed85c21301d49177e504510f3b635df741e895b184c2324d427f8",
    "signature": "0x3b0af2ce2ad4ff4b1747209b3d4d381d1fec641e4bd1e7809f8e5c3c3f20b8bc7bed5827eb1295511ef081c9f4716d66acb8c8be2d2e49cc254be23eae60cb5e1b",
    "signer": "0x4D1242D0da3f49195E59794290Cbfd833cCD04FF",
    "userId": "627952347"
  }
}