{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190670",
    "entityType": "User",
    "nonce": "0xecd8819c8bd1dd4a3fd0bac8d64290f933bc067369da88b99063e5c0e97ce1f1",
    "signature": "0xc484274dfd99a1a396b248f000c4e6398171b044b71bfcddc1d63fd80cd1d06a5ecc2d49335d068d68c0e38c2826205fdec41ceb2549107c163607fc42ca7da31b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}