{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "475275462",
    "entityType": "User",
    "nonce": "0xd6c3bd0fed22ce0e98ffb15ef912dba91fa42515dac69803af3cd30f9666f808",
    "signature": "0xbdeb6f0c23fcefd40b5c598d393c29c643a44a9297d19322221fb267b8f7e67402b7c838ff3fe11c04ece66f94fd5b340dccdb0ecf7ba791613ab0e98dcf898c1b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}