{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67615010",
    "entityType": "User",
    "nonce": "0xd2f0fb5d4c02dccfa7bf1c55a0028f46964b28870011980844b5b5bd3bcef0a7",
    "signature": "0x8006c303a8f50f25a27b2a910da6d2e7f9628740c21b6b007faed2aaf7f5e6890bdfa613c9c8459014d23083f5fa5c0fc7e7074d26f2900e589757b370be49451c",
    "signer": "0xc1188a01246f9642CAef4EA54ac792edD1dD0153",
    "userId": "304708"
  }
}