{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37223",
    "entityType": "User",
    "nonce": "0x666211d2087a9a19f34aaa02cbdf6fc625511c8ee46067026ce10595cdd92aec",
    "signature": "0x56fadca42c0ec55722cdada7738f385a776d5f58a6f58de6c5bad0dc775484a25af16257c3af0378d2b5f7278e9e422b2782bb24459c2ebeb2956e7a39fddddc1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}