{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "841756759",
    "entityType": "User",
    "nonce": "0x05b1993856bc4951bd083be5490b63ee9714913894300c0cf574c416cf3e5358",
    "signature": "0x81f2c2b198775c59cd4e59d068b650aa1e4a91fffd9ec959f1064f25bf15e0210aabef6000c8dde4b29c737377ee1fac11142fbac3d925da31ba8b11d5ae37191c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}