{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdc614cd081f0a0d1e138101b577826382d61c7f474d153c858ae58f063389643",
    "signature": "0xe9664c1adae413d8acbf2657fbb98227b2f14d29ff480ad77c5e64dfae6d177f6691e1b09b4c48ad3208116831c2a99259332ff1f83ed9d9cbd2eb5e4e3198431b",
    "signer": "0x9A5E16E48e938860681e75D3d0Fa9f61982e52e5",
    "userId": "267890965"
  }
}