{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x1925c13cd1cd5d2f516ab32c587e3e591789c0243c8ce3dd6e930c579596f71c",
    "signature": "0xf94e1693ea618a5a4f882c87470e02b5db74509dfbda12371bdb68f8864ea96f64ee4254ecef44240338d81aa631ddc8eb8183ee31df95ad81bcb6872b08b81c1c",
    "signer": "0x6C3dfBb34F175eC157f17632F02a690cFC044641",
    "userId": "30425633"
  }
}