{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "276517",
    "entityType": "User",
    "nonce": "0xc7a1ba3b432da90b0d795d794063818540cfda2daadbca6cc9456b1c7aecae02",
    "signature": "0x7505e052e0b8deb93015bb88af68cbd86a7083192d33b5b1e60369a83432cb422150ed400161dc099762846f59630dbcd03e1d722ccd329d177c9be54a9aad2a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}