{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0xee540ab7f77dce91c176cfd0c0526c050e43d65eb1db04385cdce73da4b92e3d",
    "signature": "0x74cc564b82b38bcd2b24da0282225317dc91d22cbf3b602834c869fb52ec317c2ca197295b9dced3fb8b79a38461073ab3eac268d4ab64e31f64a3e2bfd140571c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}