{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37122",
    "entityType": "User",
    "nonce": "0xcd92159035efd1549bc66743633d87998567207241a04a6366fc5b41cd48e870",
    "signature": "0x33b692c7663679ceb5bdf99c948f29b305afb124bfae858b47e0ab29947a561241846517fa28ed13037b72edd6ed2ce67dafa011337628a8ac234f76e534aa7b1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}