{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53615",
    "entityType": "User",
    "nonce": "0xb828187ecb334753648f68850ad3f2e371406453ebf4629a877023f449411ab7",
    "signature": "0x25e7ed3cc4f1b84d2b362a70292d1437127dd2c9a57391d2618741a9951e10fd2ec9cfab2256050995e7b36967aab161f89c0c29be568df06779e91c3a05334e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}