{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xd7780401d4ee091e8abb56c999cb34b722e74eb58fec5137ed7460a15085a592",
    "signature": "0x190ac4e06759fab380fec30fe9622245237adfe612afde83b1b67dba9b34b62c1885ed210625d1d8c44a4008117f9a451cb3cb2441ddeaf6b65e2da66b58f3511c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}