{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317043",
    "entityType": "User",
    "nonce": "0x41aa9daaf07f0cccdf8e562cd85bc2a4d7f9c7100bdd52e17a8200de09fe561e",
    "signature": "0xbe5c83bc9b3d124c8bb5cbb2caa17629b84053f4128d0023e5596ad2123ad50c60fabdd4972e9eba2f463b6ac60d936ceacf8e1a3ba75ac83b099af817b1e3d41c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}