{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917996003",
    "entityType": "User",
    "nonce": "0xd72d5cf3f7f6a51d3b291b936c378dfcfa3d3dd66350b7ce9242b028228c9769",
    "signature": "0x66639150cd4f80adb5ab22e99496c5d8b5eef1c0ba150e59383d9e2bbd885dc23637128b5d05214184bef6564a2595f2ff15324e7a298df4858eab1c9d81e0fe1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}