{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63623109",
    "entityType": "User",
    "nonce": "0x1fd1e7e84f7f95c60af654362b356825f8f835f8b49e7fad1604197b2faf66c4",
    "signature": "0xfef8f26e2d97ae92e9b4afd28a67150b2b3eeb7d78df26f894038572d01cb6283e72be72054a75ccf34e07df41d7a9432b51e1a033643d08ceeb4f62b347e70c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}