{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315091",
    "entityType": "User",
    "nonce": "0x3282fccc5b02eafb0644136752064b3acf3b8d5c6f1ef3f6372b091258d6da53",
    "signature": "0x32387e69dcb20182a87e7cd7fed6b67a2b0ad88497b61382d7e83cd9bde5ae8e1ce9621a501e9852aaf850378c6286feeebc94800b16b80084329d8b53fc26181c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}