{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xbb56b781d5ba3903248e50e07f8b3c2519f1a4ebf3c7a1d5df63b8ac18a5739a",
    "signature": "0x971e63fda3c44b802214f8c57f46b86d2b5fe75afb285177c2d9fa07b16b0ee34b6216508c5c7015b8a50bccb3eac090b05832711651732eff8c68180746ebbd1b",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}