{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61709",
    "entityType": "User",
    "nonce": "0x03cbbf2e6a6207fa5891ec8f1ed17b5c549b3e5f4b24ec77a060f8cc2333a7c1",
    "signature": "0x4c80ecbbac7e3697c495a530536aa889b6ff76b7e34734d15715b5ca248384a0313be77bb46347d5115191273c43cf2246c9831f67b77aa4bc4dd0b49b31e30a1c",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}