{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x82d4a55709880d6a334685911a0c304a2191f4eb07f474d0b8279d99a6c0cb3f",
    "signature": "0xd37563c6d632e6db3173a7332ef40e02413df510b8e5066695acb572abcf0fad43540e074dc072e68a377d3ce363a3f86dc259b2821c91d9c7b8ad81758e7bbf1c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}