{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc7405bfcd9d2f7dab38f3dcb8b5d006b8ac1e691f580c2c3039fcc14da3fceac",
    "signature": "0x4646cd5e56208e6090196d0aba48a462b74f139efa59da0de3e43ca6bb6096de17c8413d8902c0156e9d245e0601e578de621496e48e15528054bf260265c3771b",
    "signer": "0x8f79C90806dFAf76bBfd50185b281e144133a4a7",
    "userId": "47175237"
  }
}