{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53021",
    "entityType": "User",
    "nonce": "0xff09c26e7856409ee80c2ff1b19536d7d3087211d8c8c5fdc6518f4663cbab2c",
    "signature": "0xcffeb7ad1f0d9035a8ff087bdd547de80e5db0a7535ad51c17c40b3130501d9256520ac0a613fd8bc15e40a130a76b28316640f8273b16f9f93886c4003bfa521c",
    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}